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1120199980 = 225400113999
BaseRepresentation
bin100001011000100…
…1110010100101100
32220001212001111011
41002301032110230
54243232344410
6303053435004
736521354104
oct10261162454
92801761434
101120199980
11525361909
1227319ba64
1314b104133
14a8aba204
156852618a
hex42c4e52c

1120199980 has 24 divisors (see below), whose sum is σ = 2353176000. Its totient is φ = 447936000.

The previous prime is 1120199957. The next prime is 1120200007. The reversal of 1120199980 is 899910211.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73021 + ... + 87019.

It is an arithmetic number, because the mean of its divisors is an integer number (98049000).

Almost surely, 21120199980 is an apocalyptic number.

1120199980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1120199980 is an abundant number, since it is smaller than the sum of its proper divisors (1232976020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1120199980 is a wasteful number, since it uses less digits than its factorization.

1120199980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18009 (or 18007 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 40.

The square root of 1120199980 is about 33469.3887007217. The cubic root of 1120199980 is about 1038.5606259163.

The spelling of 1120199980 in words is "one billion, one hundred twenty million, one hundred ninety-nine thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 4001 8002 13999 16004 20005 27998 40010 55996 69995 80020 139990 279980 56009999 112019998 224039996 280049995 560099990 1120199980